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Inventories - Summary of Inventories, Net of Obsolescence Reserve (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Mar. 25, 2017
Inventory Disclosure [Abstract]    
Raw materials and work in progress $ 2,980 $ 2,932
Retail inventories and finished goods 62,813 62,962
Total inventory $ 65,793 $ 65,894 [1]
[1] Retrospectively revised (see note 18)